diff --git a/github/event_types_test.go b/github/event_types_test.go
index 5246a0028cc..7c98c80be64 100644
--- a/github/event_types_test.go
+++ b/github/event_types_test.go
@@ -84,14 +84,8 @@ func TestEditChange_Marshal_BaseChange(t *testing.T) {
 func TestProjectChange_Marshal_NameChange(t *testing.T) {
 	testJSONMarshal(t, &ProjectChange{}, "{}")
 
-	NameFrom := struct {
-		From *string `json:"from,omitempty"`
-	}{
-		From: String("NameFrom"),
-	}
-
 	u := &ProjectChange{
-		Name: &NameFrom,
+		Name: &ProjectName{From: String("NameFrom")},
 		Body: nil,
 	}
 
@@ -107,15 +101,9 @@ func TestProjectChange_Marshal_NameChange(t *testing.T) {
 func TestProjectChange_Marshal_BodyChange(t *testing.T) {
 	testJSONMarshal(t, &ProjectChange{}, "{}")
 
-	BodyFrom := struct {
-		From *string `json:"from,omitempty"`
-	}{
-		From: String("BodyFrom"),
-	}
-
 	u := &ProjectChange{
 		Name: nil,
-		Body: &BodyFrom,
+		Body: &ProjectBody{From: String("BodyFrom")},
 	}
 
 	want := `{
@@ -130,14 +118,8 @@ func TestProjectChange_Marshal_BodyChange(t *testing.T) {
 func TestProjectCardChange_Marshal_NoteChange(t *testing.T) {
 	testJSONMarshal(t, &ProjectCardChange{}, "{}")
 
-	NoteFrom := struct {
-		From *string `json:"from,omitempty"`
-	}{
-		From: String("NoteFrom"),
-	}
-
 	u := &ProjectCardChange{
-		Note: &NoteFrom,
+		Note: &ProjectCardNote{From: String("NoteFrom")},
 	}
 
 	want := `{
@@ -152,14 +134,8 @@ func TestProjectCardChange_Marshal_NoteChange(t *testing.T) {
 func TestProjectColumnChange_Marshal_NameChange(t *testing.T) {
 	testJSONMarshal(t, &ProjectColumnChange{}, "{}")
 
-	NameFrom := struct {
-		From *string `json:"from,omitempty"`
-	}{
-		From: String("NameFrom"),
-	}
-
 	u := &ProjectColumnChange{
-		Name: &NameFrom,
+		Name: &ProjectColumnName{From: String("NameFrom")},
 	}
 
 	want := `{